Inventor · disambiguated record
Stephen R. Campbell
Also filed as: CAMPBELL STEPHEN R · CAMPBELL STEPHEN RICHARD
3 granted patents·22 citations·filing 2004–2009
66Inventor score
Top patents by PatentIndex Score
3 records- 0164US7350689B1Reusable tamper evident envelopeUS NATIONAL SECURITY AGENCY·Filed 2004·Granted Apr 1, 2008·16 cites·31 claims
- 0254US8177089B1Reusable tamper indicating transport tubeBISHOP STEVEN S·Filed 2009·Granted May 15, 2012·4 cites·20 claims
- 0341US8374234B2Digital scalingMUNOZ FRANCIS S J·Filed 2007·Granted Feb 12, 2013·2 cites·32 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →